APA (7th ed.) Citation

Ford, J. L. (2008). Ruby programming for the absolute beginner. Thomson Course Technology PTR.

Chicago Style (17th ed.) Citation

Ford, Jerry Lee. Ruby Programming for the Absolute Beginner. Boston: Thomson Course Technology PTR, 2008.

MLA (9th ed.) Citation

Ford, Jerry Lee. Ruby Programming for the Absolute Beginner. Thomson Course Technology PTR, 2008.